WO1988002972A1 - Intelligent exposure control for electronic cameras - Google Patents

Intelligent exposure control for electronic cameras Download PDF

Info

Publication number
WO1988002972A1
WO1988002972A1 PCT/US1987/002476 US8702476W WO8802972A1 WO 1988002972 A1 WO1988002972 A1 WO 1988002972A1 US 8702476 W US8702476 W US 8702476W WO 8802972 A1 WO8802972 A1 WO 8802972A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
microprocessor
solid state
cooler
exposure control
Prior art date
Application number
PCT/US1987/002476
Other languages
French (fr)
Inventor
Hans-Peter Baumeister
Original Assignee
Eastman Kodak Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Company filed Critical Eastman Kodak Company
Priority to DE8787907052T priority Critical patent/DE3783043T2/en
Publication of WO1988002972A1 publication Critical patent/WO1988002972A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current

Abstract

In an electronic still camera adapted for professional or amateur photography, a solid state thermo-electric cooler (10) rapidly cools a solid state image sensor (image) (8) in accordance with the ambient illumination or subject brigthness, so as to rapidly increase the sensitivity of the image (8) to the required level. Thus, the device may be used in place of a flash attachment (72) for still photography under low-light conditions. A microprocessor (30) controls the cooler (10) and determines optimum image temperature for a given set of subject brightness, shutter speed and aperture size values. These values are correlated to corresponding optimum image temperatures by a set of polynomials - or by a set of look tables - stored in a read only memory accessed by the microprocessor (30).
PCT/US1987/002476 1986-10-10 1987-09-30 Intelligent exposure control for electronic cameras WO1988002972A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787907052T DE3783043T2 (en) 1986-10-10 1987-09-30 INTELLIGENT EXPOSURE CONTROL FOR ELECTRONIC CAMERAS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US917,872 1986-10-10
US06/917,872 US4739409A (en) 1986-10-10 1986-10-10 Intelligent exposure control for electronic cameras

Publications (1)

Publication Number Publication Date
WO1988002972A1 true WO1988002972A1 (en) 1988-04-21

Family

ID=25439447

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1987/002476 WO1988002972A1 (en) 1986-10-10 1987-09-30 Intelligent exposure control for electronic cameras

Country Status (5)

Country Link
US (1) US4739409A (en)
EP (1) EP0325615B1 (en)
JP (1) JPH01502150A (en)
DE (1) DE3783043T2 (en)
WO (1) WO1988002972A1 (en)

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US5053871A (en) * 1989-04-28 1991-10-01 Canon Kabushiki Kaisha Still video camera with automatic exposure control and flicker detection
JP2513316B2 (en) * 1989-06-09 1996-07-03 富士ゼロックス株式会社 Image reader
US5223935A (en) * 1990-04-02 1993-06-29 Casio Computer Co., Ltd. Electronic camera with automatic exposure control
US5335072A (en) * 1990-05-30 1994-08-02 Minolta Camera Kabushiki Kaisha Photographic system capable of storing information on photographed image data
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US5182647A (en) * 1990-12-13 1993-01-26 Eastman Kodak Company High resolution charge-coupled device (ccd) camera system
EP0528433B1 (en) * 1991-08-21 2002-03-06 Canon Kabushiki Kaisha Video camera provided with a plurality of photographing modes
JPH07509819A (en) * 1992-07-08 1995-10-26 オンカー　インコーポレイテッド Low-light color imager with cooled integrating camera
JP3033926B2 (en) * 1992-10-07 2000-04-17 日立電子株式会社 Television camera equipment
CN1062103C (en) * 1992-10-12 2001-02-14 株式会社金星社 Apparatus and method for controlling caption display
JP3310404B2 (en) * 1993-07-23 2002-08-05 浜松ホトニクス株式会社 Cooling type solid-state imaging device
US5528339A (en) 1994-08-26 1996-06-18 Eastman Kodak Company Color image reproduction of scenes with color enhancement and preferential tone mapping
US6515285B1 (en) 1995-10-24 2003-02-04 Lockheed-Martin Ir Imaging Systems, Inc. Method and apparatus for compensating a radiation sensor for ambient temperature variations
DE69731419T2 (en) * 1996-02-26 2005-11-10 Canon K.K. Photoelectric conversion device and driving method therefor
US6031964A (en) * 1996-06-20 2000-02-29 Apple Computer, Inc. System and method for using a unified memory architecture to implement a digital camera device
EP0817476A3 (en) * 1996-07-01 1998-05-13 Sun Microsystems, Inc. Advanced electronic still image viewfinders
US6078359A (en) * 1996-07-15 2000-06-20 The Regents Of The University Of California Vacuum compatible miniature CCD camera head
US6791610B1 (en) 1996-10-24 2004-09-14 Lockheed Martin Ir Imaging Systems, Inc. Uncooled focal plane array sensor
US5973734A (en) 1997-07-09 1999-10-26 Flashpoint Technology, Inc. Method and apparatus for correcting aspect ratio in a camera graphical user interface
US7755668B1 (en) * 1998-04-09 2010-07-13 Johnston Gregory E Mobile surveillance system
US7602424B2 (en) 1998-07-23 2009-10-13 Scenera Technologies, Llc Method and apparatus for automatically categorizing images in a digital camera
US6317141B1 (en) * 1998-12-31 2001-11-13 Flashpoint Technology, Inc. Method and apparatus for editing heterogeneous media objects in a digital imaging device
US6798456B1 (en) * 1999-09-03 2004-09-28 Pentax Corporation Exposure period control device for electronic still camera
JP2001267621A (en) * 2000-03-23 2001-09-28 Hioki Ee Corp Photodetector
JP4795610B2 (en) 2000-05-01 2011-10-19 ビーエイイー・システムズ・インフォメーション・アンド・エレクトロニック・システムズ・インテグレイション・インコーポレーテッド Method and apparatus for compensating temperature fluctuations of a radiation sensor
US6701222B1 (en) 2000-07-06 2004-03-02 Corvis Corporation Transmission systems and components utilizing thermo-stabilization and method of use therein
US7030378B2 (en) * 2003-08-05 2006-04-18 Bae Systems Information And Electronic Systems Integration, Inc. Real-time radiation sensor calibration
KR100809233B1 (en) * 2006-06-12 2008-03-05 삼성전기주식회사 An apparatus for automatically controlling exposure of image sensor
US9224145B1 (en) 2006-08-30 2015-12-29 Qurio Holdings, Inc. Venue based digital rights using capture device with digital watermarking capability
JP2011199659A (en) * 2010-03-19 2011-10-06 Fujifilm Corp Imaging device and imaging program
US8687110B1 (en) * 2011-05-31 2014-04-01 Flir Systems, Inc. Intelligent power management for actively-cooled cameras
US9574951B2 (en) 2013-09-09 2017-02-21 Semiconductor Components Industries, Llc Image sensor including temperature sensor and electronic shutter function
US9093573B2 (en) 2013-09-09 2015-07-28 Semiconductor Components Industries, Llc Image sensor including temperature sensor and electronic shutter function

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Publication number Priority date Publication date Assignee Title
GB2165122A (en) * 1984-09-28 1986-04-03 Rca Corp Cooler control for a solid-state imager camera

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Patent Citations (1)

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GB2165122A (en) * 1984-09-28 1986-04-03 Rca Corp Cooler control for a solid-state imager camera

Also Published As

Publication number Publication date
JPH01502150A (en) 1989-07-27
DE3783043D1 (en) 1993-01-21
EP0325615B1 (en) 1992-12-09
US4739409A (en) 1988-04-19
EP0325615A1 (en) 1989-08-02
DE3783043T2 (en) 1993-07-01

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